p-Cresidine

  • 2-Methoxy-5-methylaniline
  • 5-Methyl-o-anisidine
  • 3-Amino-p-cresol methyl ether
  • 6-Methoxy-m-toluidine
Formula
C8H11NO
Structure
Description
White to silver-gray odorless crystals.

Registry Numbers and Inventories.
CAS
120-71-8
EC (EINECS/ELINCS)
204-419-1
EC Index Number
612-209-00-X
RTECS
BZ6720000
RTECS class
Tumorigen; Mutagen; Primary Irritant
UN (DOT)
2811
Beilstein/Gmelin
637071
Beilstein Reference
3-13-00-01577
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C8H11NO
Formula mass
137.20
Melting point, °C
93 - 94
Boiling point, °C
235
Vapor pressure, mmHg
0.01
Density
1.0 g/cm3 (20 C)
Solubility in water
Slightly soluble
Partition coefficient, pKow
1.67

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, oxides of nitrogen, carbon dioxide.

Fire.
Flash Point,°C
>112
Autoignition, °C
450
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Hazards
This chemical is nonflammable.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Carcinogin
I-2B, N-2, CP65
Exposure effects
   Ingestion
Harmful if swallowed. Effects may be delayed 2 to 4 hours. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown colored blood.
   Inhalation
May cause respiratory tract irritation. May cause effects similar to those described for ingestion.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
2811
Response guide
Hazard class
6.1
Packing Group
I; II; III
 
USCG CHRIS Code
CSD